Plant characteristics:

1. Scientific name: Dioscorea batatas

2. Herbaceous plants, dioecious, spikes, a twining vine, bulbils often grow in the leaf axils.

3. Leaves simple, alternate or opposite, triangular-ovate, three-lobed, the lobes acuminate apex, lateral lobes more rounded, veins 7-9, grow from the leaf base.

4. Tubers long cylindrical, up to 1 meter long and more than 3.5 cm wide, brown skin, white flesh, rich sticky, with dormancy.

Variety characteristics:

1. High yield, the average hectare yield up to 20 tonnes or more. Yield performance than other local long-shaped yam lines and stable.

2. Phoma dioscoreae resistance

3. Resistant storage. At 5 ℃ cold storage can be stored more than one year, not just selling a long period, the product quality can be maintained.

4. Easy to grow, especially in Hualien and Yilan region.